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Articles on Nitrogen cycle

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Long’s Peak framed by rock outcrop, Rocky Mountain National Park, Colorado. Roy Luck

Nitrogen from rock could fuel more plant growth around the world – but not enough to prevent climate change

Scientists have long thought most nitrogen in Earth’s ecosystems comes from the air, but new research shows it also is released as rocks weather. This could boost plant growth and help sequester carbon – but not fast enough to avert climate change, as some pundits have claimed.
Our food system depends on nitrogen fertilisers. Nitrogen image from www.shutterstock.com

Nitrogen pollution: the forgotten element of climate change

Somehow we need to grow more food to feed an expanding population while minimising the problems associated with nitrogen fertiliser use.

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